AL-JARF, Reima. Difficulties in Learning English Plural Formation by EFL College Students. International Journal of Linguistics, Literature and Translation, [S. l.], v. 5, n. 6, p. 111–121, 2022. DOI: 10.32996/ijllt.2022.5.6.13. Disponível em: https://al-kindipublishers.org/index.php/ijllt/article/view/3606. Acesso em: 6 aug. 2025.